[openib-general] new sparse warnings

[Tom Duffy]

On Wed, 2004-12-15 at 13:42 -0800, Roland Dreier wrote:
> I'm puzzled by that sparse warning.  I get no complaint on i386, and
> the line in question seems to be
> 
> 	if (put_user(agent_id,
> 		     (u32 __user *) (arg + offsetof(struct ib_user_mad_reg_req, id)))) {
> 
> which I believe is correctly annotated.  A quick glance at <asm-x86_64/uaccess.h>
> shows the definition of put_user() to be way to obfuscated to
> understand quickly but my first guess would be that there is some
> subtle difference between the i386 and x86_64 versions that triggers
> the warning.

Yeah, I started down this route as well, and ran into the same
confusion.  I thought maybe somebody smarter than me could figure it
out...

-tduffy
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